Top for a sink



FIG. 1 is a perspective view taken from the top, front and right side of a top for a sink showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a cross-sectional view taken on line 3--3 of FIG. 2; and,

FIG. 4 is a cross-sectional view taken on line 4--4 of FIG. 2.

The fragmentary broken line representation of a sink basin in FIGS. 3 and 4, and of a countertop in FIG. 1, are for the purpose of illustration only and form no part of the claimed design. 

The ornamental design for a top for a sink, as shown and described. 